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![]() Date: 2007-08-16 15:10:09Hydrothermal vents Geothermal energy Yellowstone National Park Hydrothermal explosion Geyser Yellowstone Caldera Hot spring Yellowstone Lake Mudpot Geology Volcanology Wyoming | Source URL: www.nps.govDownload Document from Source WebsiteFile Size: 397,92 KBShare Document on Facebook |